Dodge QD Bushing, 19 mm Bore Dia, 35.1 mm Barrel Dia, 99.8 mm (Cast Iron)/57.2 mm (Steel) Hub Dia, 42.3 mm Bolt Circle, 50.8 mm Flange Dia, 7.9 mm Flange Thickness, 3 Bolt Holes, M5-0.8 x 25 mm Screw, 113 N-m, For Use With: HTD Sprockets, 25.4 mm Overall Length, 6 x 2.8 mm Keyway Size JA bushingFlanged design4 deg angled taperEasy On/Off operationManufactured precisely to industry standards